This research is based on local government's desire to simplify the business function of the Taiwan Government concerning amendments to the Construction Law, implemented inDec.2000.In accordance with the theory of systems and the reconstruction of government, anew legal system for the structure of self-government regulation at the local level is presented. Tai-chung City was used in this study to illustrate management rules for local construction and to offer suggestions to local governments in setting up a legal self-government system.